A184400 Ranks of (odd i)+(even j)*r, when all i+j*r are ranked; r=sqrt(2), i>=0, j>=0.

2, 7, 9, 14, 18, 22, 24, 29, 35, 37, 41, 43, 50, 53, 58, 60, 65, 68, 72, 77, 80, 86, 89, 93, 95, 99, 103, 109, 113, 118, 120, 124, 128, 130, 135, 140, 145, 147, 152, 157, 159, 164, 169, 171, 175, 177, 183, 188, 190, 196, 202, 204, 208, 210, 216

Offset

1,1

Links

Table of n, a(n) for n=1..55.

Example

Writing (i,j) for i+j*r, the first 7 in the ranking are (0,0), (1,0), (0,1), (2,0), (1,1), (0,2), (3,0); the ranks where i is odd and j is even are 2,7.

Crossrefs

Cf. A184397, A184398, A184499, A184401, A184402, A184403.

Sequence in context: A347370 A205559 A047352 * A074244 A190565 A341631

Adjacent sequences: A184397 A184398 A184399 * A184401 A184402 A184403

Keyword

nonn

Author

Clark Kimberling, Jan 12 2011

Status

approved